ABOV SEMICONDUCTOR MC81F4204 - 5. Pin Description; MCU Pin Functionality Details

MC81F4204
20 April 24, 2012 Ver.1.41
5. PIN DESCRIPTION
Pin Names I/O Pin Description
Alternative
Functions
R00 EXT10
R01 EXT11
R02 AN0/EC0/EXT0
R03 AN1/T0O/
PWM0O/EXT1
R04 AN2/EC1/SCK/
EXT2
R05 AN3/SI/EXT3/
T1O/PWM1O
R06 AN4/EC2/SO/
EXT4
R07
I/O This port is a 1-bit programmable I/O pin.
Schmitt trigger input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor can be
specified in 1-bit.
AN5/T2O/EXT5
R10 Vref/EXT6
R11 AN6/PWM2O/
EXT7
R12 AN7/PWM3O/
BUZO/EXT8
R13 AN8/EXT9
R14
I/O This port is a 1-bit programmable I/O pin.
Schmitt trigger input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor can be
specified in 1-bit.
–
R31 AN14
R32
I/O This port is a 1-bit programmable I/O pin.
Input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor
can be specified in 1-bit.
–
R33 Xout
R34 Xin
R35
I/O This port is a 1-bit programmable I/O pin.
Schmitt trigger input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor can be
specified in 1-bit.
RESETB
EXT0 I/O External interrupt input R02/AN0/EC0
EXT1 I/O External interrupt input/Timer 0 capture input R03/AN1/T0O/
PWM0O
EXT2 I/O External interrupt input R04/AN2/SCK/
EC1
EXT3 I/O External interrupt input/Timer 1 capture input R05/AN3/SI/
T1O/PWM1O
EXT4 I/O External interrupt input R06/AN4/SO/
EC2